code: def _format_feature(feature, weight, hl_spaces):
      # type: (...) -> str
      """Format any feature."""
      if isinstance(feature, FormattedFeatureName):
          return feature.format()
      elif isinstance(feature, list) and all(
          "name" in x and "sign" in x for x in feature
      ):
          return _format_unhashed_feature(
              feature, weight, hl_spaces=hl_spaces
          )
      else:
          return _format_single_feature(
              feature, weight, hl_spaces=hl_spaces
          )
  
imports: from __future__ import absolute_import
  from itertools import groupby
  from typing import List, Optional, Tuple
  import numpy
  from jinja2 import Environment, PackageLoader
  from eli5 import _graphviz
  from eli5.base import Explanation, TargetExplanation, FeatureWeights, FeatureWeight
  from eli5.utils import max_or_0
  from .utils import format_signed, format_value, format_weight, has_any_values_for_weights, replace_spaces, should_highlight_spaces
  from .None import fields
  from .features import FormattedFeatureName
  from .trees import tree2text
  from .text_helpers import prepare_weighted_spans, PreparedWeightedSpans
label_desc: Use image node_id 13 for calling a global function with example usage: _format_feature(feature, weight, hl_spaces) and returns: feature, _format_unhashed_feature, _format_single_feature